553249728 has 84 divisors (see below), whose sum is σ = 1654777488. Its totient is φ = 176394240.

The previous prime is 553249727. The next prime is 553249787. The reversal of 553249728 is 827942355.

553249728 is a `hidden beast` number, since 5 + 532 + 4 + 97 + 28 = 666.

553249728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553249727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7633 + ... + 34128.

It is an arithmetic number, because the mean of its divisors is an integer number (19699732).

Almost surely, 2^553249728 is an apocalyptic number.

It is an amenable number.

553249728 is an abundant number, since it is smaller than the sum of its proper divisors (1101527760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553249728 is a wasteful number, since it uses less digits than its factorization.

553249728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41802 (or 41789 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 553249728 is about 23521.2611906760. The cubic root of 553249728 is about 820.9317823586.

The spelling of 553249728 in words is "five hundred fifty-three million, two hundred forty-nine thousand, seven hundred twenty-eight".